Yes, but it's improbable. You can communicate with Alexa at human inaudible frequency and instruct it to set it's volume to 1/10(0/10?) but of course you need t

Yes, but it's improbable. You can communicate with Alexa at human inaudible frequency and instruct it to set it's volume to 1/10(0/10?) but of course you need to be reasonably local and targeted. Is it possible that there's a remote exploit? Yeah of course but if it's in the wild enough that this particular individual was struck by a seemingly random (and valueless) attack we'd be seeing a lot more of these in the wild than we are.